The air cleaner function deploys to get rid of rust, a dust, a oilmist.

Rust and oil absorbed by Electret filter

A diving cylinder can retain small particles of dust, and oil residue.
Inhaling these contaminants can be harmful to your body.
New electret filter cartridge employed in the bio-filter and bio-micro efficiently removes impurities including rust, dust and oil.
Supplies clean and safe air

Shock absorbing mount mechanism

The bio-micro is equipped with a shock absorbing mount mechanism.
A ball joint employed in the mount absorbs external shock being forced to the main body of bio-micro and protect from damage.
※ Please note that it cannot withstand excessive shock.

Can be installed on most existing regulators

This clean air system can be installed on most existing regulators (3/8 inch type, 1/2 inch type) including other companies' products.
Also, we recommend using a port extension adapter (sold separately) if it interferes with other hoses due to the port layout of the 1st stage.

Left: 3/8inch type, Right: 1/2inch type

※ Please note that there are some models, depending on manufacture, cannot be installed to.



Silver (SV)


Chrome over brass

Port fitting

3/8" and 1/2" available

Outer diameter



3/8" type … 59.5mm
1/2" type … 74mm


3/8" type … 120g
1/2" type … 136g


Shock absorbing mount mechanism installed

Nitrox compatible

Yes to 40% O2 when use new electret filter


2x Electret filter cartridge, 1x Clamp wrench, 1x Allen-key wrench

Technical Information

How to install


To eliminate any possibility of thread damage, please use a torque wrench to a setting of 5N・m when fitting the bio-micro to your regulator.

About overhaul

The bio-micro needs overhaul at every one year or 100 dives.

Time to replace the electret filter cartridge

The electret filter cartridge is a expendable supplies.
Usually replace it every 20 to 50 diving, or when the adhesion of dirt and oil can be seen on the surface.
It is also recommended to always carry and posses a spare electret filter cartridge.

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